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Finding the Fourth Proportional to 703,993.61, 971,236.40 and 459,266.09

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Solution

The fourth proportional to 703,993.61, 971,236.40 and 459,266.09 is: 633,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,993.61 : 971,236.40 = 459,266.09 : x
  2. Step 2: Convert to fraction form
    703,993.61/971,236.40 = 459,266.09/x
  3. Step 3: Cross multiply
    703,993.61x = 971,236.40 × 459,266.09
  4. Step 4: Simplify right side
    703,993.61x = 446,055,936,741.16
  5. Step 5: Solve for x
    x = 446,055,936,741.16/703,993.61
  6. Step 6: Final answer
    x = 633,607.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.